[PATCH] [PATCH] btrfs: remove unused wariable 'num_pages'

[Matthew Friday]

Signed-off-by: Matthew Friday <lkmfri...@gmail.com>
---
 fs/btrfs/ioctl.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9c8e1734429c..6243f734c0cd 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3278,7 +3278,6 @@ static int btrfs_extent_same(struct inode *src, u64 loff, 
u64 olen,
                             struct inode *dst, u64 dst_loff)
 {
        int ret;
-       int num_pages = PAGE_ALIGN(BTRFS_MAX_DEDUPE_LEN) >> PAGE_SHIFT;
        u64 i, tail_len, chunk_count;
 
        /* don't make the dst file partly checksummed */
@@ -3291,8 +3290,6 @@ static int btrfs_extent_same(struct inode *src, u64 loff, 
u64 olen,
 
        tail_len = olen % BTRFS_MAX_DEDUPE_LEN;
        chunk_count = div_u64(olen, BTRFS_MAX_DEDUPE_LEN);
-       if (chunk_count == 0)
-               num_pages = PAGE_ALIGN(tail_len) >> PAGE_SHIFT;
 
        for (i = 0; i < chunk_count; i++) {
                ret = btrfs_extent_same_range(src, loff, BTRFS_MAX_DEDUPE_LEN,
-- 
2.11.0